A. 3.0J
B. 6.0J
C. 30.0j
D. 60.0J

Correct Answer: Option D

D. 60.0J

Explanation

K.E = P.E = mgh

= 0.5 x 10 x 12 = 60J

SEE ALSO  An object is placed at a point X between the focal point F and the optical centre C of a diverging lens. If F is the focal point on the other side of the lens, the image of the object is formed between?

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